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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook MathML Module V1.1b1//EN"
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              "http://www.oasis-open.org/docbook/xml/mathml/1.1CR1/dbmathml.dtd">
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<refentry id="glXGetCurrentReadDrawable">
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    <refmeta>
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        <refmetainfo>
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            <copyright>
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                <year>1991-2006</year>
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                <holder>Silicon Graphics, Inc.</holder>
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            </copyright>
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        </refmetainfo>
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        <refentrytitle>glXGetCurrentReadDrawable</refentrytitle>
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        <manvolnum>3G</manvolnum>
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    </refmeta>
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    <refnamediv>
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        <refname>glXGetCurrentReadDrawable</refname>
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        <refpurpose>return the current drawable</refpurpose>
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    </refnamediv>
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    <refsynopsisdiv><title>C Specification</title>
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        <funcsynopsis>
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            <funcprototype>
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                <funcdef>GLXDrawable <function>glXGetCurrentReadDrawable</function></funcdef>
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            </funcprototype>
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        </funcsynopsis>
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    </refsynopsisdiv>
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    <refsect1 id="description"><title>Description</title>
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        <para>
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            <function>glXGetCurrentReadDrawable</function> returns the current read drawable,
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            as specified by <constant>read</constant> parameter
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            of <citerefentry><refentrytitle>glXMakeContextCurrent</refentrytitle></citerefentry>.
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            If there is no current drawable,
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            <constant>None</constant> is returned.
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        </para>
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        <para>
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            <function>glXGetCurrentReadDrawable</function> returns client-side information.
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            It does not make a round-trip to the server.
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        </para>
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    </refsect1>
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    <refsect1 id="notes"><title>Notes</title>
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        <para>
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            <function>glXGetCurrentReadDrawable</function> is only supported if the GLX version is 1.3 or greater.
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        </para>
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    </refsect1>
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    <refsect1 id="seealso"><title>See Also</title>
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        <para>
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            <citerefentry><refentrytitle>glXGetCurrentContext</refentrytitle></citerefentry>,
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            <citerefentry><refentrytitle>glXGetCurrentDisplay</refentrytitle></citerefentry>,
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            <citerefentry><refentrytitle>glXGetCurrentDrawable</refentrytitle></citerefentry>,
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            <citerefentry><refentrytitle>glXMakeContextCurrent</refentrytitle></citerefentry>
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        </para>
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    </refsect1>
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    <refsect1 id="Copyright"><title>Copyright</title>
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        <para>
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            Copyright <trademark class="copyright"></trademark> 1991-2006
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            Silicon Graphics, Inc. This document is licensed under the SGI
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            Free Software B License. For details, see
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            <ulink url="http://oss.sgi.com/projects/FreeB/">http://oss.sgi.com/projects/FreeB/</ulink>.
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        </para>
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    </refsect1>
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</refentry>